Drug profile

The FDA adverse-event record for Unknown If Any Concomitant Medications

42 adverse-event reports submitted to the FDA Center for Veterinary Medicine reference Unknown If Any Concomitant Medications. See the species affected, top reactions, and outcomes below.

42
adverse-event reports
26.2%
death-coded share
Dog
most-reported species
9
Death - top reaction
Verify with FDA CVM →
Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
42
Total Reports
11
Deaths Reported
26.2%
Death Rate

Active Ingredients

Unknown If Any Concomitant Medications

Administration Routes

Unknown

Species Affected

Dog 39
Cat 3

Most Affected Breeds

Dog (unknown) 7
Rottweiler 5
Spitz - German Pomeranian 4
Chihuahua 3
Retriever - Labrador 3
Dachshund - Miniature 2
Cat (unknown) 2
Boxer (German Boxer) 2
Collie - Border 2
Terrier - Yorkshire 1

Most Reported Reactions

Death 9
Emesis 5
Behavioural disorder NOS 4
Pale mucous membrane 4
Seizure NOS 4
Anaemia NOS 4
Lack of efficacy (ectoparasite) - flea 4
Emesis (multiple) 3
Ataxia 3
Foaming at the mouth 3
NT - Abnormal necropsy finding NOS 3
Anorexia 2

Outcome Breakdown

Ongoing
13 (31.0%)
Recovered/Normal
10 (23.8%)
Died
9 (21.4%)
Outcome Unknown
7 (16.7%)
Euthanized
2 (4.8%)
Recovered with Sequela
1 (2.4%)

Unknown If Any Concomitant Medications Adverse Event Insights

42 reports name Unknown If Any Concomitant Medications; 11 recorded a death outcome (26.2% of reported events, not a population-level mortality rate). Active ingredient: Unknown If Any Concomitant Medications. Administration route: Unknown.

By species: Dog (39 reports), Cat (3 reports). By breed: Dog (unknown) (7), Rottweiler (5), Spitz - German Pomeranian (4).

Leading clinical signs: Death (9), Emesis (5), Behavioural disorder NOS (4), Pale mucous membrane (4). Outcome, 42 coded reports: Ongoing leads at 31.0%.

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

Every figure on PlainBreed is rendered directly from FDA openFDA adverse event data, no number is typed in by an editor. This page draws directly on FDA openFDA data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.